[R-390] HP-8640B Question OT

[k2cby]

I had the same problem with an 8640B a few of years ago.

With a bit of light machine work it is possible to 
adapt a couple of commercially available brass gears 
so that they will replace the broken delrin gear.

Alternatively, if the original gear isn't too badly 
broken, you can ream it out so that it again fits 
around the brass hub and cement it to the hub with 
slow-drying (not "5 Minute") 2-part epoxy.

I will try to gather my notes over the next few 
days and forward copies to anyone who e-mails me 
with a request.

/Miles, K2CBY


Miles B. Anderson, K2CBY
16 Round Pond Lane
Sag Harbor, NY 11963
Tel.: (631) 725-4400
Fax.: (631) 725-2223
e-mail: k2cby at optonline.net